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MUR415 from ON,ON Semiconductor

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MUR415

Manufacturer: ON, MOT

4.0 AMPS. ULTRA FAST RECTIFIERS

Partnumber Manufacturer Quantity Availability
MUR415 ON, MOT 6927 In Stock

Description and Introduction

4.0 AMPS. ULTRA FAST RECTIFIERS The **MUR415** is a high-performance, ultrafast rectifier diode designed for applications requiring efficient and rapid switching. As part of the MUR series, this component is widely used in power supplies, inverters, and freewheeling circuits where fast recovery times and low forward voltage drop are critical.  

Featuring a **400V peak reverse voltage (VRRM)** and a **4A average forward current (IF)**, the MUR415 is built to handle moderate to high-power applications. Its **ultrafast recovery time** (typically 35ns) minimizes switching losses, making it suitable for high-frequency operations. The diode also exhibits a low forward voltage (around 1V at rated current), enhancing energy efficiency.  

Constructed with a rugged epoxy package, the MUR415 ensures reliable performance under demanding conditions. Its **Schottky-like characteristics** provide improved thermal stability, reducing the risk of overheating in continuous operation.  

Common applications include **switch-mode power supplies (SMPS), DC-DC converters, and snubber circuits**, where its fast response and durability are advantageous. Engineers favor the MUR415 for its balance of speed, efficiency, and robustness, making it a dependable choice in modern electronics.  

For optimal performance, proper heat dissipation and adherence to specified current limits are recommended. Always consult the datasheet for detailed electrical and thermal parameters.

Application Scenarios & Design Considerations

4.0 AMPS. ULTRA FAST RECTIFIERS

Alternative Part Number

  • BYV28-400 --: 400V 5A ultrafast recovery rectifier with similar forward current and faster recovery, suitable drop-in for MUR415 in switching applications.
  • UF5404 --: 400V 3A ultrafast rectifier widely available and commonly used as a substitute where MUR415's 4A rating has margin.
  • STTH504U --: 400V 5A ultrafast diode with comparable Vf and trr, offering a different series and good availability as an alternative.
  • UF4004 --: 400V 1A ultrafast rectifier; lower current rating but widely available and suitable for lower-power circuits where MUR415 is used.
  • STTH3R04 --: 400V 3A ultrafast recovery diode with comparable recovery time and voltage rating, good drop-in alternative for MUR415.

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